The UFO Library: Physical trace
Presque Isle State Park Incident (Erie, Pennsylvania, 1966)
On the night of July 31, 1966, two motorists stranded in the sand at Presque Isle State Park reported a descending light and a dark creature, prompting an Air Force investigation that concluded the 'monster' was probably an animal.
The Presque Isle State Park incident is one of the more widely reported close encounters of 1966, notable less for the light than for the creature report and the plaster casts taken at the scene. It came during the same summer as the Ohio and Michigan sightings that preoccupied Project Blue Book, and it drew national attention before the Air Force closed its inquiry.
The night of July 31
Betty Jean Klem of Jamestown, New York, and Douglas Tibbets of Greenhurst, New York, became stuck in sand off Beach 6 on the state park's peninsula and waited there past sunset. Klem described a light that moved, dimmed and then descended toward the car. In her words, 'It came straight down. The car vibrated.' She also reported a dark, featureless figure and something walking on the roof of the vehicle. Tibbets, in the front seat, is reported to have witnessed the episode, though his own description of the creature is not given in the sources available. Patrolmen Ralph E. Clark and Robert Loeb Jr. responded to the scene. Local papers later reported that several other people had seen a UFO that week, including two officers who watched an object for about two hours before sunrise on August 3. The Erie Daily Times placed a separate eight-witness sighting between 8 p.m. and midnight, though its timing relative to July 31 is ambiguous in the coverage.
Investigation and the Air Force file
The Erie Morning News reported on August 2 that the Air Force had opened a probe. Erie County Civil Defense checked Beach 6 and found no radiation. Major William S. Hall examined the scene and took plaster casts of marks in the sand, which the local coverage describes as 'tracks'. Five members of the National Investigations Committee on Aerial Phenomena (NICAP) traveled to Erie to look into the case. The Erie Morning News headlined August 5 with 'Peninsula Ruled Safe After UFO Investigation' and, on August 12, with 'Monster A Bear? Park Chief Says No', after the Air Force report was described as final unless significant new information emerged.
The Project Blue Book file for the case, dated July 31, 1966 and about 120 pages long, is hosted by The Black Vault. It is commonly cited under case number 10798 and listed as unsolved. Blue Book investigators labeled the lights unidentified, judged the indentations in the sand unrelated to them, and considered the creature probably an animal. The file is the main primary record, and the summaries of it in the sources above are secondary, so specifics such as the exact wording of the conclusion should be checked against the scanned document.
Case for and against
The case for a genuine anomaly rests mainly on the number of witnesses, the consistency of Klem's account with other reports from the same week, and the fact that an Air Force team and civilian investigators both came to Erie. The physical evidence, however, is weak by any standard: the casts are described in the press as 'tracks', and the photographs of footprints and craft are captioned as 'purported' in the blog coverage that reproduces them.
The case against rests on the animal explanation. John Keel, who examined the report, summarized the Air Force view as pointing to raccoons and bears in the park, with samples from the area containing nothing unusual beyond urine. The Erie coverage's own August 12 headline shows that the bear theory was the public explanation within days. A local blogger reports that Brian Sheridan, a television journalist in Erie, later called the episode a hoax and produced a follow-up titled 'Solved!'. That claim has not been verified against a primary source, and it sits uneasily with the 'unsolved' listing in the Blue Book file, so the case should be read as officially inconclusive rather than settled.
A useful caveat for any reader: much of what circulates about Presque Isle comes from later retellings, including podcast and fan treatments of Keel's investigation, and from local-history sites. The contemporary newspaper bodies are not all available online, so the headlines above are often all that can be checked directly.
Legacy
The Presque Isle report is often grouped with the other famous 1966 wave cases, such as the Michigan swamp-gas episode and the Ohio sightings, as an example of how quickly a local report could acquire national coverage and an official investigation. It has also become a fixture of Erie's local folklore. Beach 6 has continued to attract later cryptid and UFO reports, including a 1969 sighting noted by the Erie Reader, which suggests that the 1966 story became part of the park's reputation rather than a single closed episode. Its significance for ufology lies less in proof than in what it shows about the 1960s pattern in which a striking witness account, a plaster cast, and a government probe could coexist with an ordinary animal explanation that the public accepted within a week.
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Where this entry came from
ProvenanceAgent indexedUpdated 2w ago4 sources
Drafted by the archive's AI research agent from the sources below; corrections from readers are reviewed and folded in.
- First indexed
- 29 OCT 26 // 06:18Z
- Last updated
- 29 OCT 26 // 06:18Z
- Project Blue Book: Presque Isle State Park, Pennsylvania — July 31, 1966, Unknown, The Black Vault
- UFO Sighting at Presque Isle State Park, Unknown, Erie History blog
- John Keel Investigates a Landing and Creature Report in Erie, Pennsylvania, Charles Lear, PodcastUFO
- Project Blue Book report - 1966-07 Presque Isle State Park, Pennsylvania (scan), U.S. Air Force, Wikimedia Commons (mirror)
Notes
- Project Blue Book: Presque Isle State Park, Pennsylvania — July 31, 1966, Unknown, The Black Vault
- UFO Sighting at Presque Isle State Park, Unknown, Erie History blog
- John Keel Investigates a Landing and Creature Report in Erie, Pennsylvania, Charles Lear, PodcastUFO
- Project Blue Book report - 1966-07 Presque Isle State Park, Pennsylvania (scan), U.S. Air Force, Wikimedia Commons (mirror)
Also available
Chronicles: "The Visit"
Season 1, Episode 4 of the WQLN/PBS docuseries Chronicles, which explores Erie's history. This episode is a narrative dramatization of the July 31, 1966 Presque Isle State Park landing report, not a documentary interview piece, so treat it as a dramatized take on the case.





